.user-list {
  width: 250px;
  background-color: #fff;
  border-right: 1px solid #f0f0f0;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.user-list-header {
  padding: 16px;
  border-bottom: 1px solid #f0f0f0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.user-list-header h3 {
  margin: 0;
  font-size: 16px;
  color: #333;
}

.ant-list {
  flex: 1;
  overflow-y: auto;
}

.user-item {
  padding: 12px 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: background-color 0.3s;
}

.user-item:hover {
  background-color: #f5f5f5;
}

.user-item.active {
  background-color: #e6f7ff;
}

.user-icon {
  font-size: 20px;
  margin-right: 12px;
  color: #1890ff;
}

.username {
  font-size: 14px;
  color: #333;
}

.user-item.active .username {
  color: #1890ff;
}

.current-user-badge {
  font-size: 12px;
  color: #1890ff;
  margin-left: 4px;
}

.current-user {
  background-color: #bae7ff;
}